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Proceedings Paper

Comparison and research for several bi-directional reflectance distribution function (BRDF) measurements
Author(s): Jingmin Dai; Chao Qi; Xiaogang Sun
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Paper Abstract

The characteristics of spatial light scattered from optical material surfaces are effectively described by BRDF. There are two forms for measuring BRDF: they are absolute measuring and relative measuring. The absolute measuring includes the definition method and introducing bi-directional reflectance factor method. The relative measuring includes the substitution method and single reference measuring method. The measuring methods based on vary principles are comprised and the features of each method are analyzed, a set of system based on personal computer for BRDF measuring has been developed, it is made of optical path, electronic path, and mechanical path. With He-Ne laser and YVO4 solid laser, the measurements on 1500 CCR/RC.S.G Silicon carbide abrasive paper have been made within the -55°-55° of reflectance zenith angle, the experimental results show that it has better Lambertian diffusion characteristic.

Paper Details

Date Published: 12 May 2004
PDF: 6 pages
Proc. SPIE 5280, Materials, Active Devices, and Optical Amplifiers, (12 May 2004); doi: 10.1117/12.520303
Show Author Affiliations
Jingmin Dai, Harbin Institute of Technology (China)
Chao Qi, Harbin Institute of Technology (China)
Xiaogang Sun, Harbin Institute of Technology (China)


Published in SPIE Proceedings Vol. 5280:
Materials, Active Devices, and Optical Amplifiers
Connie J. Chang-Hasnain; Dexiu Huang; Yoshiaki Nakano; Xiaomin Ren, Editor(s)

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